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Air Driven Gas Booster of GBT Series

Drive gas-liquid: 1-8.3 barBoost ratio: 39:1High Pressure Piston Diameter (mm): 63 / 40;Minimum gas inlet pressure Pi(bar):7;Maximum permissible outlet pressure Po(Bar):332Gas outlet pressure calculation publication Po=30Pa+2Pi;Gas inlet IN:NPT3/8";Gas outlet OUT: NPT3/8";Max flow standard liter per minute (NL/min): 286@Pi =10;Drive gas inlet: G3/4";Net weight: 31KG;NOTE: Gas consumption 3M based on drive air pressure Pa=7bar ³/ Min;@ represents, under certain conditions, an example: 100@Pi =7;Indicates a flow rate of 100NL/min at an input pressure of 7Bar.

Tag: Gas booster pumps Key Features
  • Key Features
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Product Parameter

Air Driven Gas Booster of GBT Series
Pa=driving pressure      Pi=input pressure      Po=output pressure
ModelRatioDrive size(mm)Min gas inletPi (bar)Max gas outletPo (bar)Gas outlet formulaPo=INOUTMax Flow  standard(NL/Min)
Based on the driving air pressure is 1.0m³ when the air pressure is 7Bar.  
@ represents a condition: for example:100@Pi=7, it represents the flow rate is 100NL/min when the input pressure is 7Bar

GBT series gas booster pump is a single-drive double-acting two-stage gas booster pump with compressed air. It has the advantages of high safety, low intake pressure, high output pressure, no energy consumption for maintaining pressure, and some products are equipped with gas rapid cooling device.


1. It adopts a single-cylinder-driven two-stage supercharging mode, with a wide range of output air pressure;
2. The gas drive ensures that the medium does not generate heat, sparks and flames during the transmission process, and the pressurization is safe;
3. The driving gas does not need lubrication and is completely separated from the pressurized medium to ensure that the medium is clean;
4. The output pressure can reach up to 830bar;
5. Suitable for various media such as nitrogen, carbon dioxide and pure oxygen;

6. The product is reliable, easy to maintain, sturdy, has a long sealing life, and can be started and stopped continuously.

Main features

1. GBT series is based on static pressure, when the driving air pressure is 7bar, the air consumption is 1.0m³/min;
2. The driving pressure is 1bar-8.3 bar (14.5-120.35psi), and the GBT series is a single driving piston (Φ160mm);
3. The temperature of the medium is not higher than 115°C (240°F), and the extremely low temperature should be specified when ordering;
4. High-voltage end materials can be customized 17-4PH, 15-5PH, 440C, Hastelloy, nickel-based alloy, and other materials to meet the requirements of special media;
5. The standard product of GBT series is nitrogen boosting, the order code is such as: GBT7/15 (series code + primary boosting ratio / secondary boosting ratio)

Description of special products

About medium: GBT series can be applied to a variety of media, order code such as: GBT15/30-CO2(series code + primary boost ratio/second boost ratio + boost medium)
About the interface: If you need a special interface, please specify when ordering.

Application scenarios

1. GBT series gas booster pump is suitable for occasions requiring high output pressure when the initial pressure of the medium is low.
2. Air tightness test of various pressure components;
3. Recovery and filling of special gases;
4. High pressure filling of low pressure breathing gas;
5. Gas measurement of scientific instruments;
6. Automobile braking system test;
7. Filling the reaction medium into the reaction device;
8. Compression of oxygen, hydrogen and dangerous gases.

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